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package scala.reflect
package internal
trait Positions extends api.Positions { self: SymbolTable =>
def focusPos(pos: Position): Position
def isRangePos(pos: Position): Boolean
def showPos(pos: Position): String
/** A position that wraps a set of trees.
* The point of the wrapping position is the point of the default position.
* If some of the trees are ranges, returns a range position enclosing all ranges
* Otherwise returns default position.
*/
def wrappingPos(default: Position, trees: List[Tree]): Position = default
/** A position that wraps the non-empty set of trees.
* The point of the wrapping position is the point of the first trees' position.
* If all some the trees are non-synthetic, returns a range position enclosing the non-synthetic trees
* Otherwise returns a synthetic offset position to point.
*/
def wrappingPos(trees: List[Tree]): Position = trees.head.pos
/** Ensure that given tree has no positions that overlap with
* any of the positions of `others`. This is done by
* shortening the range or assigning TransparentPositions
* to some of the nodes in `tree`.
*/
def ensureNonOverlapping(tree: Tree, others: List[Tree]) {}
}
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